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KMID : 0903519990420020176
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Journal of the Korean Society of Agricultural Chemistry and Biotechnology
1999 Volume.42 No. 2 p.176 ~ p.179
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Antimicrobial Activities of Sesquiterpene Lactones Isolated from Hemisteptia lyrata , Chrysanthemum zawadskii and Chrysanthemum boreale
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Abstract
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In the bioactivity test of nine sesquiterpene lactons isolated from Hemisteptia lyrata, Chrysanthemum zawadskii and Chrysanthemum boreale, we investigated their antimicrobial activities against ten bacteria and six phytopathogenic fungi. Hemistepsin A and hemistepsin B isolated from H. lyrata and tulipinolide isolated from C. boreale exhibited strong antibacterial activity. In the antifungal test, hemistepsin B, angeloylcumambrin B, tigloylcumambrin B and costunolide showed broad activity. Both antibacterial and antifungal experiments exhibited quite clear specificity against microbial strains.
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